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Outage notice:

We have restored nearly all systems affected by the global information outage, and welcome patients to visit our patient service centers on Monday, July 22. For more, visit Outage notice | Quest Diagnostics.  

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Making a difference every single day

2,250+

convenient locations across the United States

50 million

tests performed each year for patients of all ages

3,500+

lab tests available to help you find answers

TEST FOR TUBERCULOSIS

Show proof of a negative TB test with Quest

Need proof of a negative TB test for school, work or travel? Suspect that you've been exposed to someone with Tuberculosis? Whatever the case, Quest has you covered. The Tuberculosis Blood Test detects the presence of TB bacteria in the body. Available for purchase at questhealth.com
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QUEST MOBILE™ COMES TO YOU

In-home sample collection & personalized care, wherever you call home. 

Level up your health game with Quest Mobile.
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The Quest Diagnostics difference

Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.

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